23217327 has 64 divisors (see below), whose sum is σ = 42240000. Its totient is φ = 12573792.

The previous prime is 23217301. The next prime is 23217331. The reversal of 23217327 is 72371232.

It is a happy number.

It is not a de Polignac number, because 23217327 - 2¹¹ = 23215279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 23217327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212949 + ... + 213057.

It is an arithmetic number, because the mean of its divisors is an integer number (660000).

Almost surely, 2^23217327 is an apocalyptic number.

23217327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23217327 is a deficient number, since it is larger than the sum of its proper divisors (19022673).

23217327 is a wasteful number, since it uses less digits than its factorization.

23217327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 142 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 23217327 is about 4818.4361570950. The cubic root of 23217327 is about 285.2796147757.

Adding to 23217327 its reverse (72371232), we get a palindrome (95588559).

The spelling of 23217327 in words is "twenty-three million, two hundred seventeen thousand, three hundred twenty-seven".